Turning 40 , it’s like being promoted to the “experienced adult” department where you suddenly need reading glasses to see the fine print on your birthday cards! There’s something absolutely magical about hitting the big 4-0, and what better way to celebrate this milestone than with some seriously funny 40th birthday quotes that’ll have everyone laughing until their newly, discovered crow’s feet hurt?
That’s right , humor is literally the fountain of youth, which means these funny 40th birthday quotes aren’t just entertainment, they’re health therapy! At 40, you’ve officially earned the right to complain about your back, forget where you put your keys (while holding them), and make dad jokes that are actually dad, level quality. You’re celebrating your own fabulous 40th, roasting a friend who’s joining the “over the hill” club, or looking for the perfect way to make someone’s midlife crisis a little more bearable, this collection of hilarious quotes, witty messages, and side, splitting jokes will prove that 40 is just 18 with 22 years of experience!
Funny 40th Birthday Wishes
- Your 40s are great because you’re old enough to learn from your mistakes—but you’re still young enough to make new ones! Happy birthday![1]
- The first 40 years of childhood are the hardest. Here’s to the next 40!
- Remember, life begins at 40, so you’ve still got plenty of mistakes to make.
- Remember, being 40 is just like being 20, but with double the experience (and double the wrinkles).[2]
- Happy 40th! You’ve finally lost your last excuse for being irresponsible!
- 40? You’re just getting started! Well, maybe after a nap and some ibuprofen.[3]
- Happy 30th birthday for the 10th time![4]
- Hey, 40 isn’t old if you’re a tree. Happy birthday!
- You’re not 40, you’re 25 plus shipping and handling! [5]
- Remember, 40 is only 11 in Celsius! Happy birthday!
- Welcome to the 40s Club, where we still feel 18 inside … unless we actually try to act like it.
- Welcome to your 40s! We’re still rocking—just a little slower so we don’t pull something.
- Turning 40 is a great excuse to embrace your inner child—just remind them to pay the bills.
- Happy 40th birthday—you’re too old to stay out late and too young for a senior discount. Enjoy!
- Age is just a number—and being 40 means you’re level 4.0.
- Now that you’re 40, you’ll find yourself cleaning the house to the music we used to drink to.[6]
- Congrats on the big four-oh. Does saying it like that make it less scary?
- Hey, at least you’re not as old as you’ll be next year.
- Congratulations, you’re now old enough for a midlife crisis.
- Try not to think of it as turning 40. Just think of it as being really old.
- So you’re turning 40. Time for wildly tame celebrations that are over by 10 PM.
- You may not be over the hill yet, but you have a great view! Happy 40th![7]
- Happy 40th birthday! I’ve never been more grateful to be so much younger than you.
- Congratulations on reaching the age where the candles cost more than the cake!
- The secret to being 40 is to lie about your age to everyone you meet!
- Turning 40 means you and your friends can start comparing herbal teas.
- Welcome to being 40! They say age is just a number, but in your case, it’s a really big one!
- Happy 40th birthday! They say age is just a number, but if that’s true, why do I need a calculator to figure yours out?[8]
- 40 is when the phone rings on a Saturday night and you hope it isn’t for you. Happy birthday![9]
- You know you’re 40 when a wild night means sitting out on the patio. Happy birthday![10]
- Happy birthday! Now that you’re 40, you’ll still get carded, but now it’s to see if you qualify for the senior discount.
- Happy 40th! You’ve officially reached the age where your mind makes commitments your body can’t keep.
- Welcome to being 40! Now all your favorite songs are oldies.[11]
- What do you call a 40-year-old who can still party all night? A liar! Happy birthday![12]
- Welcome to your 40s, when grocery shopping alone feels like a mini vacation. Happy birthday!
- Happy 40th birthday! I’m not saying you’re old, but your birth certificate is carbon dated.
- You know you’re 40 when you have a party and the neighbors don’t notice. Happy birthday!
- If grey hair is a sign of wisdom, you’re a genius! Happy birthday.
- Congratulations on turning 40! Time to start buying cereal for the fiber content.
- Turning 40 means it’s time to start questioning some of your life choices—like those shots last night.
- Welcome to being 40, when “taking it easy” isn’t a choice, it’s a prescription.
- Now that you’re 40, half your friends are feeling old … and the other half are lying.
- Happy 40th birthday! You’re officially halfway between diapers and depends.
- Happy 40th birthday. In dog years, you’re dead.
- You know what the best part is about old age? It doesn’t last long. Happy birthday!
- Welcome to your 40s, where you need 3 days to recover from anything you do.
- You know you’re 40 when you hear your favorite song come on in an elevator. Happy birthday!
- Don’t worry if your eyesight starts failing now that you’re 40. It’s your body’s way of protecting you from shock when you look in the mirror.
- Welcome to being 40, where your birthday cake starts to look like a mini bonfire!
- 40—the age where you and your friends complain about the neighborhood kids! Happy birthday!
- Just remember, turning 40 means you’re obligated to complain about today’s music.
- Now that you’re 40, “getting lucky” means finding your car in the parking lot on the first try.
- Turning 40 means aging like a fine wine—if fine wine sometimes forgets why it came into a room.
- Welcome to being 40, where “sleeping in” means waking up at 7 AM on weekends. Happy birthday!
Funny 40th Birthday Quotes
- Remember, life begins at 40, so you’ve still got plenty of mistakes to make.
- 40? You’re just getting started! Well, maybe after a nap and some ibuprofen.
- Hey, at least you’re not as old as you’ll be next year.
- You know you’re 40 when you hear your favorite song in an elevator. Happy birthday!
- Being 40 is wild. I never thought I’d get excited about organizing my sock drawer.
40th Birthday Jokes for Your Partner
- Happy birthday to the person I want to grow old with. And now we’re one step closer.[25]
- Now that we’re both 40, let’s hope we both age like fine wine. Happy birthday, I love you!
- Now that you’re 40, we can still have candlelit dinners—because now you’ll need the light to read the menu.
- At 40, romance is synced calendars and detailed car maintenance. Happy birthday!
- Spontaneous dates at 40 now involve careful planning and a good nap. Happy birthday!
- Happy 40th birthday! I hope you enjoy the cake I made for you. Lighting the candles took about 20 minutes, almost caused a fire in the kitchen, and triggered a call from our insurance adjuster. I love you![26]
- Happy 40th birthday! Hopefully you’ll start looking your age soon, because I’m starting to get side-eyes from people who think I’m 20 years older than you.
- Happy 40th birthday, to my love—the perfect blend of experience and still not knowing what you want for dinner.
- Happy 40th birthday to the one who’s still got it—even if “it” now requires a little more caffeine.
- Here’s to 40, where every ache is a badge of honor from surviving our wild younger days!
40th Birthday Jokes for Women
- Happy 40th birthday! Don’t worry, 40 is the new 30, but with better skincare and comfortable shoes.[27]
- I hope your 40th birthday is as fun as the ones in your 20s … but with fewer hangovers.
- Happy 40th! Now being called “ma’am” is less of a compliment and more of a reality.
- You’re not aging, you’re levelling up. Happy 40th![28]
- Happy 40th birthday! Somebody call the fire department before the house burns down. No, not because of your birthday candles, but because you’re smoking hot![29]
- At 40 you’re still hot, it just comes in flashes now. Happy birthday!
- Cheers to turning 40! You’re proof that laughter really is the best cosmetic.
- Obviously, 40 is your color—you look great! Happy birthday!
“I’m Turning 40” Jokes
- I asked for a smoking hot body for my 40th birthday. Menopause wasn’t what I had in mind.
- I don’t want to brag, but even though I’m 40, I can still fit into the earrings I wore in high school.
- Being 40 is wild. I never thought I’d get excited about organizing my sock drawer.[32]
- Now that I’m 40, I’ve finally hit my stride—and it’s all downhill from here.[33]
- Now that I’m 40, I can finally complain about “kids these days.”
- They say life begins at 40, but I’m still waiting for the instruction manual.
- They say 40 is the new 30, but my knees beg to differ.
- They say life begins at 40, but I’m just here for the cake and puns.
- Turning 40 means I’ve leveled up in the game of life—now I need a cheat code for more cake.
- Who needs a midlife crisis when you can have a midlife pun session at your 40th birthday? Thanks for being here, everyone.
- They say 40 is the new 30—does that mean I can still party like I’m 21?
- Age is just a number, and from now on, mine will be unlisted for privacy reasons!
- I might be 40, but I have the heart of a 20-year-old … and the knees of an 80-year-old.
- Now that I’m 40, I’ve finally figured out life. I just forgot where I put it.
- At 40, every time something goes up (like my age), something else goes down (like my metabolism).
40th Birthday Jokes for Men
- I am 40 years old. Time to start woodworking and fixing up old cars!
- Turning 40 is what dads like to call “vintage.”
- Cheers to 40 years of perfecting your “grumpy old man” impression. You’re nailing it!
- Congrats on turning 40! Your dad jokes are now officially age-appropriate.
- You know you’re in your 40s when your back is hairier than your head. Happy birthday![30]
- Happy 40th birthday! Age is just a number, and yours is like a high score in an arcade game.[31]
- Happy 40th birthday—enjoy your first colonoscopy!
Quotes for a 40th Birthday
- “You can’t help getting older, but you don’t have to get old.” – George Burns[34]
- “The first forty years of life give us the text; the next thirty supply the commentary.” – Arthur Schopenhauer
- “Youth has no age.” – Pablo Picasso
- “One of the many things nobody ever tells you about middle age is that it’s such a nice change from being young.” – Dorothy Canfield Fisher
- “Every man over 40 is a scoundrel.” – George Bernard Shaw
- “Today is the oldest you’ve ever been, and the youngest you’ll ever be again.” – Eleanor Roosevelt
- “At 20 years of age the will reigns, at 30 the wit, at 40 the judgment.” – Benjamin Franklin
- “Middle age is when your age starts to show around your middle.” – Bob Hope
- “Age is an issue of mind over matter. If you don’t mind, it doesn’t matter.” – Mark Twain
- “You don’t stop laughing when you grow old, you grow old when you stop laughing.” – George Bernard Shaw
- “Forty is the old age of youth; fifty the youth of old age.” – Victor Hugo
- “Life really does begin at 40. Up until then, you’re just doing research.” – Carl Young
Fun Ways to Celebrate a 40th Birthday
- Over-the-hill balloons: Black and silver “over the hill” balloons are a staple of 40th birthday parties. They’re a little corny, but they’re perfect for the friend who loves dad jokes and cheesy humor.
- Old age gifts: Surprise the guest of honor with silly gag gifts like adult diapers, a blood pressure cuff, a walker, a bad wig, or a cake that says “You’re Old!”
- Have a “Fountain of Youth”: Mix up a signature cocktail (or mocktail) for the party and label it “Fountain of Youth.” Then, party like you’re 21 again!
- Go with a retro-themed party: Embrace your inner child with a retro-themed party—decorated with toys and tech that were popular when the guest of honor was a kid, like cassette tapes, 8-bit video games, and cartoons from the 80s or early 90s.
- Throw a pretend funeral: If your loved one is into really dark humor and you want to go all out, rent a casket and have everyone dress in black. Share memories mourning the passing of your friend’s youth.
180+ Best Funny 40th Birthday Quotes, Messages, & Jokes 2025
Conclusion
Happy 40th birthday, you’ve officially made it through four decades of questionable fashion sense, awful music eras, and a whole lot of embarrassing moments that would be enough to fill a stand-up comedy special! In this amazing gallery of humorous 40th birthday quotes, we’ve demonstrated that it’s not about getting old when you turn 40, it’s about getting wittier, smarter, and at last having enough experience to laugh at all the absurd things that previously filled us with anxiety.
Such jokes remind us that getting older is unavoidable, but growing up doesn’t have to be! At 40, you’ve paid your dues to earn the privilege of welcoming each laugh line, hailing each strand of gray hair as a mark of intelligence, and joking about things that scared your 20 year-old self. You’re the birthday star or marking someone special, these humorous quotes show that the best way to deal with getting older is with a good dose of humor and a very good anti-aging cream (just kidding, laughter is more effective)! You’re not over the hill, you’re standing on top of it with the best view and the loudest laugh!
